tan(pi/24), what is the correct result?

[Dol]

(09-05-2016 06:33 PM)J-F Garnier Wrote:  

(09-05-2016 04:15 PM)Dol Wrote:  tan(pi/24), what is the correct result?

RPN: 3 SQRT 2 SQRT - LASTX 1 - *
:-)

Thanks!

How come Windows 7 calculator gets its so wrong?
Also I tried free42 on iOS and it also gets 0.0023 (wrong).
Ill update the initial post with the new values.

EDIT: It seems everyone gets the same values when in RAD mode, free42, Win Calculator, etc however in DEG mode maybe some emulators do RAD implicitly? I am confused!